diff options
Diffstat (limited to 'drivers/edac/i7300_edac.c')
| -rw-r--r-- | drivers/edac/i7300_edac.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index eb3f30e96ee3..db194b6b3e42 100644 --- a/drivers/edac/i7300_edac.c +++ b/drivers/edac/i7300_edac.c @@ -80,17 +80,19 @@ */ /* OFFSETS for Function 0 */ -#define AMBASE 0x48 /* AMB Mem Mapped Reg Region Base */ -#define MAXCH 0x56 /* Max Channel Number */ -#define MAXDIMMPERCH 0x57 /* Max DIMM PER Channel Number */ +#define AMBASE 0x48 /* AMB Mem Mapped Reg Region Base */ +#define MAXCH 0x56 /* Max Channel Number */ +#define MAXDIMMPERCH 0x57 /* Max DIMM PER Channel Number */ /* OFFSETS for Function 1 */ -#define TOLM 0x6C -#define REDMEMB 0x7C +#define MC_SETTINGS 0x40 -#define MIR0 0x80 -#define MIR1 0x84 -#define MIR2 0x88 +#define TOLM 0x6C +#define REDMEMB 0x7C + +#define MIR0 0x80 +#define MIR1 0x84 +#define MIR2 0x88 #if 0 #define AMIR0 0x8c @@ -393,6 +395,7 @@ struct i7300_pvt { u16 tolm; /* top of low memory */ u64 ambase; /* AMB BAR */ + u32 mc_settings; u16 mir[MAX_MIR]; @@ -1020,6 +1023,15 @@ static int i7300_get_mc_regs(struct mem_ctl_info *mci) debugf2("Actual TOLM byte addr=%u.%03u GB (0x%x)\n", actual_tolm/1000, actual_tolm % 1000, pvt->tolm << 28); + /* Get memory controller settings */ + pci_read_config_dword(pvt->branchmap_werrors, MC_SETTINGS, + &pvt->mc_settings); + debugf0("Memory controller operating on %s mode\n", + pvt->mc_settings & (1 << 16)? "mirrored" : "non-mirrored"); + debugf0("Error detection is %s\n", + pvt->mc_settings & (1 << 5)? "enabled" : "disabled"); + + /* Get Memory Interleave Range registers */ pci_read_config_word(pvt->branchmap_werrors, MIR0, &pvt->mir[0]); pci_read_config_word(pvt->branchmap_werrors, MIR1, &pvt->mir[1]); pci_read_config_word(pvt->branchmap_werrors, MIR2, &pvt->mir[2]); |